How we cite our quotes: (Preface if applicable, Paragraph)
Quote #4
And, in fact, I was no longer certain it was he. (84)
Even before he starts taking Pablo's magical drugs Harry is having a hard time keeping a grip on reality. He thinks he recognizes someone, but then he isn't sure that it's them after all.
Quote #5
While he was teasing me with the charming, dangerous thing, he became quite old once more, very, very old, a thousand years old, with hair as white as snow, and his withered graybeard's face laughed a still and soundless laughter that shook him to the depths with abysmal old-man's humor. (181)
This transformation, which takes place in a dream, is key for what Harry will have to learn in the rest of his adventure. Goethe, his favorite poet, becomes a very, very, old laughing man. Flash forward to the end, and we find that Harry is supposed to learn how to laugh like the immortals.